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    • 7. 发明申请
    • OLIVINE COMPOSITION WITH IMPROVED CELL PERFORMANCE
    • 具有改进的细胞性能的OLIVINE组合物
    • WO2014135923A1
    • 2014-09-12
    • PCT/IB2013/051846
    • 2013-03-08
    • UMICOREUMICORE KOREA LTD.
    • KIM, DaeHyunPAULSEN, JensHONG, HeonPyo
    • H01M4/525H01M4/505
    • H01M4/5825C01B25/45H01M10/052H01M10/0525H01M2004/021H01M2004/028
    • The invention discloses an olivine cathode material comprising Li, M and PO 4, having a non-stoichiometric composition wherein: -the phosphor stoichiometry PO 4 :[(Li+M)/2] is between 0.940and 1.020, -the lithium to metal ratio Li:M is between 1.040 and 1.150, and wherein M=Fe -x-z' Mn x D z', with 0.10 0, D being a dopant comprising either one or both of Cr and Mg.In one embodiment PO 4 :[(Li+M)/2] is between 0.960 and 1.000, resulting in an even better performing material. Performance is improved even more in another embodiment wherein PO 4 :[(Li+M)/2] is less than 1.000. Improvements in performance are also obtained for either an embodiment wherein the lithium to metal ratio Li:M is between 1.070 and 1.120; or an embodiment wherein the manganese to iron ratio Mn/(Mn+Fe) is between 0.25 and 0.75; or for another embodiment wherein z'
    • 本发明公开了一种包含Li,M和PO 4的橄榄石阴极材料,具有非化学计量组成,其中: - 荧光体化学计量PO 4:[(Li + M)/ 2]在0.940和1.020之间,锂与金属 比例Li:M在1.040和1.150之间,其中M = Fe-xz'Mn x D z',其中0.10 0,D是包含Cr和Mg中的一种或两种的掺杂剂。 在一个实施方案中,PO 4:[(Li + M)/ 2]在0.960和1.000之间,导致更好的材料。 在PO 4:[(Li + M)/ 2]小于1.000的另一个实施方案中,性能得到改善。 对于其中锂与金属之比Li:M在1.070和1.120之间的实施例,也可获得性能的改进; 或其中锰与铁之比Mn /(Mn + Fe)为0.25至0.75的实施方案; 或另一个实施方案,其中z'<0.05。
    • 9. 发明申请
    • CARBONATE PRECURSORS FOR LITHIUM NICKEL MANGANESE COBALT OXIDE CATHODE MATERIAL AND THE METHOD OF MAKING SAME
    • 用于镍铬锰氧化物阴极材料的碳酸盐前体及其制备方法
    • WO2016055910A1
    • 2016-04-14
    • PCT/IB2015/057491
    • 2015-09-30
    • UMICOREUMICORE KOREA LTD
    • HU, JinHONG, HeonPyoPAULSEN, JensOH, JinDooNELIS, DaniëlROBERT, Eric
    • H01M4/525H01M4/505H01M4/485
    • H01M4/1391C01G53/006C01G53/44C01P2002/52C01P2002/54C01P2002/72C01P2004/32C01P2004/51C01P2004/61C01P2006/11C01P2006/12C01P2006/40H01M4/0471H01M4/485H01M4/505H01M4/525H01M10/052Y02T10/7011
    • A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0,0≤z≤0.35, 0≤n≤0.02 and x+y+z+n=1, the method comprising the steps of: -providing a feed solution comprising Ni-, Mn-, Co-and A-ions, and having a molar metal content M" feed, -providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na-and K-ions, -providing a slurry comprising seeds comprising M'-ions and having a molar metal content M' seeds, wherein M'=Nix'Mny'Coz'A'n', A' being a dopant, with 0≤x'≤1, 0≤y'≤1, 0≤z'≤1, 0≤n'≤1 and x'+y'+z'+n'=1, and wherein the molar ratio M' seeds/M" feed is between 0.001 and 0.1, -mixing the feed solution, the ionic solution and the slurry in the reactor, thereby obtaining a reactive liquid mixture, -precipitating a carbonate onto the seeds in the reactive liquid mixture, thereby obtaining a reacted liquid mixture and the M-carbonate precursor, and -separating the M-carbonate precursor from the reacted liquid mixture.
    • 一种在连续反应器中制备Li-M氧化物阴极材料的M-碳酸酯前体的方法,其中M = NixMnyCozAn,A为掺杂剂,x> 0,y>0,0≤z≤0.35,0≤n ≤0.02,x + y + z + n = 1,该方法包括以下步骤:提供包含Ni-,Mn-,Co-和A-离子并且具有摩尔金属含量M“进料的进料溶液, 提供包含碳酸盐和碳酸氢盐溶液中的一种或两种的离子溶液,所述离子溶液还包含Na-和K-离子中的一种或两种, - 提供包含包含M'离子并具有摩尔金属的种子的浆料 含量M'种子,其中M'= Nix'Mny'Coz'A'n',A'为掺杂剂,0≤x'≤1,0≤y'≤1,0≤z'≤1,0≤ n'≤1且x'+ y'+ z'+ n'= 1,其中M'种子/ M“进料的摩尔比为0.001至0.1,将进料溶液,离子溶液和浆料混合 反应器,从而获得反应性液体混合物,将碳酸盐沉淀在反应性液体混合物中的种子上 从而获得反应的液体混合物和M-碳酸酯前体,并将M-碳酸酯前体与反应的液体混合物分离。